Speed jack



June 18, 1963 A. PRESSLER 3,094,005

SPEED JACK Filed Dec. 9, 1960 2 Sheets-Sheet l INVENTOR. BY finfone L Bess/er fiq F77 OR/VEY June 1963 A. L. PRESSLER 3,094,005

SPEED JACK Filed Dec. 9, 1960 2 Sheets-Sheet 2 IN V EN TOR.

finfone L Bess/er fipr HTT P/VEY United States Patent 3,094,005 SPEED JACK Antone L. Pressler, Humboldt, S. Dak. Filed Dec. 9, 1960, Ser. No. 74,918 1 Claim. (Cl. 74--15.2)

My invention relates to a speed jack.

An object of my invention is to provide a speed jack which is readily adaptable to a variety of conditions.

A further object of my invention is to especially provide a speed jack which can be swung to a certain position wherein only one tractor will be required to operate the discharging apparatus of a wagon, and at the same time operate the speed jack arrangement to drive a suitable elevator.

A fur-ther object of my invention is to provide an arrangement which can be adjusted to suit various conditions, and which is relatively simple in construction.

With these and other objects in view, nay-invention consists in the construction, arrangement, and combination of the various parts of my device, whereby the objects contemplated are attained, as hereinafter more fully set forth, pointed out in my claim, and illustrated in the accompanying drawings, in which:

FIGURE 1 is a side elevation of the speed jack,

FIGURE 2 is a plan view of FIGURE 1, and

FIGURE 3 is a plan view of the speed jack in one of its operating positions.

My invention contemplates the provision of a speed jack which can operate under a variety of conditions as will be explained, and I have used the character the designate a pair of horizontally positioned bars which are secured to the vertically positioned end bars 11, the character 12 indicating braces.

Attached at the top of the bars -11 are the bearing members 13, and journalled in these bearing members is a transverse shaft 14, which shaft includes the squared end portion 15 and the ex-tending portion 16.

Also receiving the shaft 1 4 are the further bearings 17, the shaft 14 being thus journalled therein, and attached to the bearings 117 are the further extended bars 18, the bars '18 including a series of spaced openings 19 therein, which openings can receive the end-s 20 of the bracing bars 21 which are pivotally attached at 22 to the bars 10.

The character 23 indicates suitable braces secured between the bars 10, and the character 24 indicates suitable braces attached between the members 18. Attached at the other ends of the members 18 are the further bearings 25 in which a further transverse shaft 26 is journalled, the transverse shaft 26 including a spline shaft portion 27 at one end, and a squared portion 28 at the other end.

Secured to the shaft 14 and between the bearings 17 is a sprocket 29 which is engaged by means of the sprocket chain 30, the sprocket chain 30 engaging a further sprocket 31, the sprocket 31 being attached to the shaft 26.

The arrangement is used in the following manner. FIGURE 3 illustrates the use of the arrangement wherein the tractor which draws a wagon can be utilized to drive the discharging parts of the wagon, and whereby the same unit at the same time will operate an elevator communicating to the wagon.

For this purpose, the members 18 are swung in the direction of the arrow 32 (see FIGURE 1) so that the driving framework will be positioned as shown in FIG- URE 3, and whereby the square shaft portion 28 can be secured as shown to the rear power take-ofif shaft of the tractor, and wherein if necessary the extra shaft parts 33, 34 can be used to connect to the tractor shaft.

The spline shaft portion 27 as shown can be connected to the further shaft portions 35, 36, which drive the usual gearing in the box 37, which box is attached to the wagon 38, this gearing driving the transverse shaft 39 which drives the sprockets 40, which sprockets engage the chains 41 which are attached to the paddles 42, this arrangement then serving to discharge the material toward the rear 43 of the Wagon box, it thus being noted that the arrangernent described will function to provide that result wherein the tractor alone can drive all of the various component parts of the wagon, and wherein at the same time the shaft 14, which is attached to the squared portion 15, will drive a further shaft arrangement 44, 45, 46, since the shaft 14 will be driven by the sprocket chain 30. The

shaft arrangement '44, 45, is connected as at 4'6 to the shaft =47 which operates the angularly positioned conveyor unit 48 which includes the usual belt and transverse paddle structure.

It will thus be noted from the 'foregoingstructure that the tractor will provide all of the necessary power to drive the entire arrangement shown by the use of my type of speed jack, with other uses being apparent.

The character 49 indicates the hopper which communicates with the elevator 48. The extending portion16 can be attached to a suitable pulley if such is desired whereby a belt drive can be supplied for similar arrangernents, and in some cases if desired a tractor can be used to drive the squared portion 28 directly from the tractor which will be positioned adjacently thereto, and with the unit being as shown in FIGURES l and 2, it being obvious also that a variety of other accommodations can be made.

In some cases wherein it is desired to adjust the positioning of the take-off shaft to accommodate the shaft 26, the inwardly turned ends 20 of the braces 21 can be placed in any of the openings 19 to provide an adjustment in vertical height.

It will now be seen that I have provided the advantages mentioned in the objects of my invention with further advantages being apparent.

Some changes may be made in the construction and arrangement of the parts of my invention without departing from the real spirit and purpose of my invention, and it is my intention to cover by my claim any modified forms of structure or use of mechanical equivalents which may be reasonably included within their scope.

I claim as'my invention:

A speed jack comprising a stationary framework, vertical-ly positioned supports attached to said stationary framework, a shaft journalled at the upper ends of said vertically positioned supports, a further movable framework journalled on said shaft, a further drive shaft journalled at the end of said movable framework, means for driving said further drive shaft from said shaft, including sprockets attached to both of said shafts, a sprocket chain engaging said sprockets, said further framework being adapted to be swung about said shaft whereby said further shaft will provide means for driving said shaft, said shaft including an extending portion at one end thereof, and including a squared portion at the other end thereof,

said further shaft including a further squared portion at one end thereof, and a spline shaft portionat the other end thereof, said shaft being adapted to be drivingly engaged with the driving portions of an elevator, and said further shaft being adapted to be attached to the rear drive shaft of a tractor, and further being adapted to be attached to the driven unloading portions of a Wagon.

4 Eby May 21, 1878 Welker Aug. 17, 1897 McIntyre Apr. 1, 1919 Englerth Oct. 6, 1925 H'aiss Feb. 3, 1931 Satkowski et a1. Apr. 19, 1932 Marks Aug. 20*, 1935 Scott Apr. 17, 1951 Kroll Mar. 5, 1957 

